Nuclear Physics and RadioactivityMedium
Question
When radioactive substance emits an α - particle, then its position in the periodic in the periodic table is lowered by
Options
A.two places
B.three places
C.five places
D.one place
Solution
When radioactive substance emits an α - particle then the atomic number is reduced by 2. Naturally its position in pperiodic table will be reduced by 2 places.
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